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Re: IP cameras on ring topology, not star



What goes on each pole, add/drop fibre mux of some kind?  Cost?

Are you thinking of Sonet?  DWDM?

Real world examples of this type of setup?

Bob La Londe wrote:
> I agree with John.  Use fiber.
>
>
> "J. Sloud" <jsloud@xxxxxxxxxxxxxxxxxxxxxxxxxxx> wrote in message
> news:cqr252dkeivulnma7mcqbb1uo145uvq2fs@xxxxxxxxxx
>> On Thu, 27 Apr 2006 09:13:15 -0400, Pat Coghlan <info@xxxxxxxxxx>
>> wrote:
>>
>>> I'm looking for information on equipment that can/should be used to
>>> install IP video cameras on poles around a perimeter (1-2 km, or more).
>>>
>>> Token-ring routers typically require all drops to be plugged into a
>>> panel (operates in token ring fashion, but physically is a star), which
>>> is not practical with 100 cameras running around a ring, feeding traffic
>>> back to recorders.
>>>
>>> The equipment needs to be economical (hub on each pole).
>>>
>>> Any suggestions or real-world examples out there?
>>>
>>> Thanks.
>> Without a lot more application detail, it's hard to offer specific
>> advise.  You can use a network of switches where each switch adds a
>> camera to the network and then loops to the next pole thus forming a
>> ring.  This isn't a Token Ring network.
>>
>> The applications we've done that sort of sound like what you've done
>> have used either wireless ethernet (SmartSight for the small systems
>> and Marconi for the larger ones) or we've pulled fiber and used analog
>> cameras.
>> --
>> NewsGuy.Com 30Gb $9.95 Carry Forward and On Demand Bandwidth
>
>
> *** Posted via a free Usenet account from http://www.teranews.com ***

--

-Pat


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